Hex driver drum sander



FIG. 1 is a perspective view of a hex driver drum sander showing our new design;

FIG. 2 is a front view of a hex driver drum sander showing our new design;

FIG. 3 is a side view of a hex driver drum sander showing our new design; and,

FIG. 4 is a back side elevation view of a hex driver drum sander showing our new design.

The broken lines in the drawings depict portions of the hex driver drum sander which form no part of the claimed design. 

CLAIM The ornamental design for a hex driver drum sander, as shown and described. 